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Monitoring and Testing
5-3
3162-A2-GB20-40
August 2000
Device Health and Status
Use the System and Test Status screen to display the current health and status
messages for the DSU/CSU. Table 5-2 lists these messages in priority order.
" Procedure
To display health and status messages:
1. From the Main Menu screen, select Status.
2. From the Status screen, select System and Test Status.
Table 5-2. Health and Status Messages (1 of 2)
Message
Description
AIS at DTE An Alarm Indication Signal is being received by the DTE
Drop/Insert (DSX-1) interface.
AIS at Network An Alarm Indication Signal (unframed all ones signal) is being
received by the network interface.
Device Fail
xxxxxxxx
An internal error has been detected by the operating software. An
8-digit code appears for use by service personnel. The condition
is cleared by resetting the device.
Download Failed A download attempt was interrupted and failed to complete. The
condition is cleared by resetting the device.
EER at Network An Excessive Error Rate condition has been detected on the
network interface. The condition is cleared when the error rate
falls below the threshold value.
EER at Port n The error rate of the received signal has exceeded the configured
threshold for data port Port n (where n is the port number). This
condition only occurs if the synchronous data port’s Embedded
Data Link (EDL) is enabled. The condition is cleared when the
error rate falls below the synchronous data port’s configured
threshold value.
Ethernet Down There is no electrical activity on the 10BaseT port.
LOS at DTE A Loss Of Signal condition (175 consecutive zeros) has been
detected on the DTE Drop/Insert (DSX-1) interface. The condition
is cleared when the density of ones to zeros received is 12.5%.
LOS at Network A Loss Of Signal condition (175 consecutive zeros) has been
detected on the network interface. The condition is cleared when
the density of ones to zeros received is 12.5%.
Modem Connected The integral modem is currently connected. This message is only
displayed for standalone DSU/CSUs.
Network Com Link
Down
The network communication link is in a down state. This condition
only occurs if the COM port is configured for Mgmt, and
communication between the management system and the
DSU/CSU is not currently possible for this port.